去掉导航栏和菜单栏

entry/src/main/ets/entryability/EntryAbility.ets

@@ -16,6 +16,29 @@ export default class EntryAbility extends UIAbility {
   onWindowStageCreate(windowStage: window.WindowStage): void {
     // Main window is created, set main page for this ability
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
+    // 1.获取应用主窗口。
+    let windowClass: window.Window
+    windowStage.getMainWindow((err, data) => {
+
+      if (err.code) {
+        console.error('Failed to obtain the main window. Cause: ' + JSON.stringify(err));
+        return;
+      }
+
+      windowClass = data;
+      console.info('Succeeded in obtaining the main window. Data: ' + JSON.stringify(data));
+      // 2.实现沉浸式效果：设置导航栏、状态栏不显示。
+      let names: [] = [];
+      windowClass.setWindowSystemBarEnable(names, (err) => {
+        if (err.code) {
+          console.error('Failed to set the system bar to be visible. Cause:' + JSON.stringify(err));
+          return;
+        }
+        console.info('Succeeded in setting the system bar to be visible.');
+      });
+
+      windowClass.setWindowLayoutFullScreen(true)
+    })
 
     windowStage.loadContent('pages/Index', (err) => {
       if (err.code) {